Finding the Fourth Proportional to 372.36, 513.87 and 214.99
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Solution
The fourth proportional to 372.36, 513.87 and 214.99 is: 296.70
Step by Step Solution
- Step 1: Write the proportion equation
372.36 : 513.87 = 214.99 : x - Step 2: Convert to fraction form
372.36/513.87 = 214.99/x - Step 3: Cross multiply
372.36x = 513.87 × 214.99 - Step 4: Simplify right side
372.36x = 110,476.91 - Step 5: Solve for x
x = 110,476.91/372.36 - Step 6: Final answer
x = 296.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.